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Tylecodons range from an inch to over 6 feet in height. Their deciduous succulent leaves arranged in a spiral manner, are produced during the Winter.
Some species of Tylecodon are attractive or intriguing enough to be popular among succulent collectors. Most species are poisonous, with cardiotoxic and cumulatively neurotoxic Bufadienolides, and must be kept away from animals. However, novices have been advised to take precautions against poisoning. For example, some experienced horticulturists wear gloves when handling the plants.
Tall subtropical grass that is an important component of coastal sand dune and beach plant communities in the southeastern United States, eastern Mexico and some Caribbean islands. Its large seed heads that turn golden brown in late summer give the plant its common name. Its tall leaves trap wind-blown sand and promote sand dune growth, while its deep roots and extensive rhizomes act to stabilize them, so the plant helps protect beaches and property from damage due to high winds, storm surges and tides. It also provides food and habitat for birds, small animals and insects.
Uniola paniculata is a tall, erect perennial grass that can grow to 3 to 6 ft in height. The seeds are dispersed by wind and can be carried long distances by storms and ocean currents, but reproduction commonly occurs vegetatively by forming buds around stem bases. The plant forms dense surface roots and penetrating deep roots that are colonized by beneficial organisms such as micorrhizal fungi. Rhizomes are elongate and produce extensive lateral growth. They root readily when buried in sand.
Bullhorn Acacia is best known for its symbiotic relationship with a species of Pseudomyrmex ant (Pseudomyrmex ferruginea) that lives in its hollowed-out thorns. Its species were considered members of genus Acacia until 2005.